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Physiological and Psychological Effects of Watching Videos of Different Durations Showing Urban Bamboo Forests with Varied Structures

Author

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  • Yuqian Wang

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Mingyan Jiang

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Yinshu Huang

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Zhiyi Sheng

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Xiao Huang

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Wei Lin

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Qibing Chen

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Xi Li

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Zhenghua Luo

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Bingyang Lv

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

Abstract

This study illustrated the physiological and psychological effects of watching videos of different durations showing bamboo forests with varied structures. Physiological indicators, including EEG (electroencephalogram), blood pressure, skin conductance, and pulse, were monitored in 180 Chinese university students (mean age: 20.72 ± 2.56 years) while they were watching bamboo videos. Before and after watching the videos, their psychological indicators, including positive and negative moods, were measured using the Profile of Mood States questionnaire. After watching the bamboo videos of different durations, all of the physiological indicators responded to the stimulation after only 1 min. The indicators showed different trends at 1, 3 and 5 min. EEG decreased and then was maintained at a stable level after 1 min, and the high β, low β, and α waves had no significant differences between 1, 3 and 5 min. Blood pressure dropped to a stable state after 3 min, and the decline was significantly different greater after 3 min than after 1 min. Skin conductance increased for 1 to 5 min, and it did not stabilize after a long time (5 min). Pulse decreased after 1 min but increased after 5 min. After watching the videos with bamboo of varying structures, the physiological and psychological indicators showed significantly different changes. Skin conductance significantly increased (mean value: 6.78%), and the amount of sweat was more effectively reduced, thereby reducing tension, when the students viewed videos of sympodial bamboo forests compared with monopodial bamboo forests. Bamboo forests with a higher canopy density (0.83–0.85) could significantly decrease α waves (mean value: 1.50 Hz), relaxing the human body. High β and low β waves showed greater decreases, with tension reduced more effectively, when bamboo forests with a low tilt ratio (< 1.5%) were viewed. Bamboo forests with neat undergrowth could have more beneficial physiological and psychological effects on the human body.

Suggested Citation

  • Yuqian Wang & Mingyan Jiang & Yinshu Huang & Zhiyi Sheng & Xiao Huang & Wei Lin & Qibing Chen & Xi Li & Zhenghua Luo & Bingyang Lv, 2020. "Physiological and Psychological Effects of Watching Videos of Different Durations Showing Urban Bamboo Forests with Varied Structures," IJERPH, MDPI, vol. 17(10), pages 1-18, May.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:10:p:3434-:d:358207
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    References listed on IDEAS

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    6. Chorong Song & Harumi Ikei & Miho Igarashi & Michiko Takagaki & Yoshifumi Miyazaki, 2015. "Physiological and Psychological Effects of a Walk in Urban Parks in Fall," IJERPH, MDPI, vol. 12(11), pages 1-13, November.
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    Cited by:

    1. Yuqian Wang & Huahong Qu & Tong Bai & Qibing Chen & Xi Li & Zhenghua Luo & Bingyang Lv & Mingyan Jiang, 2021. "Effects of Variations in Color and Organ of Color Expression in Urban Ornamental Bamboo Landscapes on the Physiological and Psychological Responses of College Students," IJERPH, MDPI, vol. 18(3), pages 1-19, January.
    2. Xinguo Zhang & Jiayu Guo & Xiaowan Zhang & Qixiang Zhang, 2023. "Physiological Effects of a Garden Plant Smellscape from the Perspective of Perceptual Interaction," IJERPH, MDPI, vol. 20(6), pages 1-15, March.
    3. Linjia Wu & Qidi Dong & Shixian Luo & Yanling Li & Yuzhou Liu & Jiani Li & Zhixian Zhu & Mingliang He & Yuhang Luo & Qibing Chen, 2022. "An Empirical Study of the Restoration Potential of Urban Deciduous Forest Space to Youth," IJERPH, MDPI, vol. 19(6), pages 1-20, March.
    4. Audrey Seiz & Byoung-Suk Kweon & Christopher D. Ellis & Hyuk Oh & Kyle Pietro, 2023. "Exploring the Psychophysiological Effects of Viewing Urban Nature through Virtual Reality Using Electroencephalography and Perceived Restorativeness Scale Measures," Sustainability, MDPI, vol. 15(17), pages 1-16, August.
    5. Gianluca Grilli & Sandro Sacchelli, 2020. "Health Benefits Derived from Forest: A Review," IJERPH, MDPI, vol. 17(17), pages 1-11, August.

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